Harvard researchers published in the  British Medical Journal  a study of which occupations lowered the rate of Alzheimer's deaths. They looked at American Alzheimer's death records of more than 400 occupations, including when they died. The two occupations with the lowest rate of Alzheimer's death were taxi and ambulance drivers. More specifically, these two jobs had death rates 56% lower than the general population at any given age. An earlier British study provided some clues. Since 1865, London taxi drivers had too pass what's known as "the Knowledge," a grueling test of a person's memory of thousands of streets, landmarks and routes within the city. They had to study for years to become qualified. In 2000, London neuroscientists compared MRI brain scans of cabbies and other occupations, and  found that the former had changes in the hippocampus, the brain region dedicated to memory and navigation.   The longer cabbies worked, the larger their hippocamp...

  How much do Paris Summer Olympics medalists get paid? Olympic medal bonuses Table with 4 columns and 14 rows. Country Gold Silver Bronze Hong Kong $768,000 $384,000 $192,000 Singapore $745,000 $373,000 $186,000 Indonesia $300,000 $150,000 $60,000 Israel $271,000 $216,000 $135,000 Republic of Kazakhstan $250,000 $150,000 $75,000 Malaysia $216,000 $65,000 $22,000 Spain $102,000 $52,000 $33,000 France $87,000 $43,000 $22,000 South Korea $45,000 $25,000 $18,000 United States $38,000 $23,000 $15,000 Japan $32,000 $13,000 $6,000 Poland $25,000 $19,000 $14,000 Germany $22,000 $16,000 $11,000 Australia $13,000 $10,000 $7,000 The bronze medal column will be cut-off in the original blog posting.   But you can see it here . Hong Kong athletes in Paris have  so far won  two golds and two bronze medals .  The last Singaporean athlete to win money was Joseph Schooling (left), who beat Michael Phelps in the 100-meter butterfly at the Rio Games in 2016, winning a gold me...